2020080004

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{727}}^1\times {\mathrm{16943}}^1$

素因数の和:17715

約数の個数: 24

約数和(自身を含む): 3626558208

約数和(自身を除く): 1606478204

約数列:

[1, 2, 4, 41, 82, 164, 727, 1454, 2908, 16943, 29807, 33886, 59614, 67772, 119228, 694663, 1389326, 2778652, 12317561, 24635122, 49270244, 505020001, 1010040002, 2020080004]

約数ペア:

[(1, 2020080004), (2, 1010040002), (4, 505020001), (41, 49270244), (82, 24635122), (164, 12317561), (727, 2778652), (1454, 1389326), (2908, 694663), (16943, 119228), (29807, 67772), (33886, 59614)]